From owner-freebsd-questions Thu Oct 11 23:13:41 2001 Delivered-To: freebsd-questions@freebsd.org Received: from moutvdom01.kundenserver.de (moutvdom01.kundenserver.de [195.20.224.200]) by hub.freebsd.org (Postfix) with ESMTP id 6815237B401 for ; Thu, 11 Oct 2001 23:13:37 -0700 (PDT) Received: from [195.20.224.220] (helo=mrvdom04.kundenserver.de) by moutvdom01.kundenserver.de with esmtp (Exim 2.12 #2) id 15rvZe-0001Gk-00; Fri, 12 Oct 2001 08:13:34 +0200 Received: from pd90172c0.dip.t-dialin.net ([217.1.114.192]) by mrvdom04.kundenserver.de with esmtp (Exim 2.12 #2) id 15rvZd-0002aY-00; Fri, 12 Oct 2001 08:13:33 +0200 Date: Fri, 12 Oct 2001 06:13:04 +0000 (GMT) From: "P. U. (Uli) Kruppa" X-X-Sender: To: Don Read Cc: "freebsd-questions@FreeBSD.ORG" Subject: Hardware-advice: cables [solution] In-Reply-To: Message-ID: <20011012060256.Q12991-100000@big> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Thanks to everybody who answered. My first suspicion was, that these Cat.5 (or RJ45) cable connections break very easily. But as you told me, they are quite stable. So I had a look at google for cable specifications and found out, that there are "straight" and crossover cables [ www.a2zcables.com has pictures and descriptions of these]. For just connecting two PC's you take a crossover. When you connect a PC to a hub you use the straight ones, ... Uli. On Thu, 11 Oct 2001, Don Read wrote: > > On 11-Oct-2001 P. U. (Uli) Kruppa wrote: > > Hi, > > > > this is not a genuine FreeBSD-question but there seem to > > many experienced networkers on this list. > > > > In our school we are trying to set up a classroom-network > > like this: > > In each classroom there is a fast-ethernet connection to a > > central server/gateway connection. Up to five or six > > Computers can be moved into the room, when they are needed > > and can be plugged into our lan via a hub. > > > > The problem is that fast-ethernet cables seem to be very > > sensitive. They break as soon as one looks too hard > > at them. Not to say what would happen, when our > > pupils/students tried to plug them themselves. > > What sort of cables/plugs can we use for this purpose? > > > > It shouldn't be that touchy. > > Make sure you use CAT-5 rated cable. The RJ45 plugs will have "SC" (solid > conductor) in the part number; example from a bag here :AT8X8SC-2224). > Buy (& use) a proper RJ45 crimp tool. --An extra squeeze after it click-ratches > is not going to break it either. > > > What does this have to do with FreeBSD? > > Now, our chief-administrator allowed me a 5Gig-partition on > > each Win2k-machine to "play around" with some kind of UNIX > > (registered trademark :-) ) . And perhaps I am allowed a > > samba-server one day... > > But first I have to get this project working. > > > > > "pwactice, pwactice, pwactice." > > > Regards, > -- > Don Read dread@texas.net > -- It is necessary for me to learn from others' mistakes. I > will not live long enough to make them all by myself. > ************************************ * P. U. Kruppa - Wuppertal * * Germany * * www.pukruppa.de www.2000d.de * ************************************ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message